package com.guli.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.guli.common.to.es.SkuEsModel;
import com.guli.gulimall.search.config.ElasticSearchConfig;
import com.guli.gulimall.search.constant.EsConstant;
import com.guli.gulimall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient client;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModelList) throws IOException {
        //保存到ES
        //1.给es中建立索引，product。建立好映射关系

        //2.给es中保存这些数据
        //BulkRequest bulkRequest, RequestOptions options
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel esModel : skuEsModelList) {
            //1.构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);//索引
            indexRequest.id(esModel.getSkuId().toString());//唯一ID
            String jsonString = JSON.toJSONString(esModel);
            indexRequest.source(jsonString, XContentType.JSON);//json内容
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = client.bulk(bulkRequest, ElasticSearchConfig.COMMON_OPTIONS);
        //TODO 批量错误处理
        boolean b = bulk.hasFailures();
        List<String> collect = Arrays.asList(bulk.getItems()).stream().map(item -> {
            return item.getId();
        }).collect(Collectors.toList());

        log.info("商品上架成功：{}，返回数据：{}",collect,bulk.toString());
        return b;
    }
}
